Comparison between dry and conventional
| HSS Hob | Carbide Hob | ||
| Coolant | Non water soluble oil | Dry | Dry |
| Speed | 80 - 120 | 120 - 160 | 300 - 350 |
| Efficiency | 1 | 1.5 | 3 |
| Tool Life | 1 | (2 - 5) | (4 - 10) |
| Cost | 1 | (1.5 - 2) | (3 - 4) |
| Accuracy | |||
| Reliability | |||
| Workability | |||
| Workshop environment | |||
Recommended cutting conditions

Summary of dry hobbing
